The complete circuit diagram that shows how to interface and control a solenoid lock with an Arduino through a MOSFET is shown below. As shown in the circuit diagram, the connections are rather, ...

Arduino Uno: The main microcontroller that processes data and controls the system.; Fingerprint Sensor (R 307 ): Captures and processes fingerprint data. Electronic Lock or Servo Motor: Acts as the ...

An Arduino microcontroller (MCU) requires only 5V but the solenoid electric lock requires 12V. As Arduino Uno has an inbuilt 5V voltage regulator, ... Fig. 1: Circuit diagram of the fingerprint door ...

Circuit Diagram for Arduino Keypad Door Lock. The Complete circuit diagram for our Arduino based Digital Keypad Door Lock project is shown below. First of all, we start from the brain of this project ...

This project implements a smart home system using an Arduino to automate various security measures such as a fingerprint door lock, fire alarm, ... Circuit diagrams and parts list. The Fingerprint ...

In the next section, we will see the circuit diagram for the Arduino-based RFID Door Lock System. RFID Door Lock System using Arduino Circuit Diagram. The below RFID Door Lock System circuit diagram ...